How much can I save on fuel by exiting at M4 Junction 49?

Drivers typically save approx £8.80 on a standard 55L fill-up by taking the slip road at Junction 49 and driving 2.6 miles to local forecourts (173.9p) instead of paying typical motorway service area prices (~189.9p/L).

Where is the closest petrol station to M4 Junction 49?

The closest forecourts are located within 2.6 miles off the junction roundabout, providing rapid refuelling without long detours.

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Junction 47

Swansea West Services, Penllergaer, Gower Peninsula

Maidenhead, Marlow, High Wycombe (A404M)

Exit & Save Calculator

Save ~£8.80 at M4 Junction 49

Motorway service station pumps charge ~189.9p/L. Exit at Junction 49 (Pont Abraham Services / Llanelli / Carmarthen / A48) and drive just 2.6 miles off the slip road to refuel from 173.9p (saving 16.0p per litre).

Forecourts Near M4 Junction 49 (Pont Abraham Services, Carmarthen, Llanelli, Pembrokeshire)

Forecourt	Unleaded	Diesel	Off Slip Road
TESCO - PONTARDDULAIS SUPERSTORE - PETROL FILLING STATION TIDAL REACH	173.9p	197.9p	2.6 mi
PONTARDDULAIS SERVICE STATION - Pontarddulais Service Station 12A	175.9p	199.9p	2.4 mi

All M4 Junction Exits (26 Exits)

Jct 3 Jct 4 Jct 5 Jct 6 Jct 10 Jct 11 Jct 12 Jct 13 Jct 14 Jct 15 Jct 16 Jct 17 Jct 18 Jct 19 Jct 20 Jct 22 Jct 23a Jct 28 Jct 30 Jct 32 Jct 33 Jct 36 Jct 42 Jct 47 Jct 49 Jct 8-9